增加调整kinect图片位置和大小的功能

SpaceStudioClient/Plugins/NeoKinectUnreal/Source/NeoKinectUnreal/Private/NeoKinectManager.cpp

@@ -76,6 +76,9 @@ FFrameTextureData UNeoKinectManager::FramesData[static_cast<int32>(EKinectFrame:
 UNeoKinectManager* UNeoKinectManager::EventsDispatcher = nullptr;
 FTSTicker::FDelegateHandle UNeoKinectManager::TickerHandle;
 
+float UNeoKinectManager::m_scale = 1.0f;
+int UNeoKinectManager::m_shiftX = 0;
+int UNeoKinectManager::m_shiftY = 0;
 #pragma endregion Statics
 
 //~ INITIALIZATION / UNINITIALIZATION
@@ -1251,7 +1254,23 @@ cv::Mat rawImg = cv::Mat::zeros(cv::Size(1920, 1080), CV_8UC1);
 cv::Mat result = cv::Mat::zeros(cv::Size(960, 540), CV_8UC1);
 cv::Mat dst1 = cv::Mat::zeros(cv::Size(960, 540), CV_8UC1);
 cv::Mat dst2 = cv::Mat::zeros(cv::Size(960, 540), CV_8UC1);
-cv::Mat showMat = cv::Mat::zeros(cv::Size(960, 540), CV_8UC1);
+cv::Mat showMat = cv::Mat::zeros(cv::Size(1920, 1080), CV_8UC1);
+
+
+
+void UNeoKinectManager::SetScaleAndShift(float scale, int shiftX, int shiftY)
+{
+	m_scale = scale;
+	m_shiftX = shiftX;
+	m_shiftY = shiftY;
+	int orig_cx = showMat.cols / 2, orig_cy = showMat.rows / 2;
+	int new_cx = static_cast<int>(orig_cx * m_scale);
+	int new_cy = static_cast<int>(orig_cy * m_scale);
+	m_shiftX += new_cx - orig_cx;
+	m_shiftX += new_cy - orig_cy;
+}
+
+cv::Mat affine_mat(2, 3, CV_64FC1);
 void UNeoKinectManager::UpdateFrames()
 {
 	// if the game thread issued a shutdown, the textures may become invalid at any time
@@ -1281,12 +1300,19 @@ void UNeoKinectManager::UpdateFrames()
 						//applyMosaic(rawImg, 32);
 						cv::resize(dst1, rawImg, cv::Size(FrameData.Width, FrameData.Height), 0, 0, cv::INTER_CUBIC);
 
+						affine_mat.at<double>(0, 0) = m_scale;
+						affine_mat.at<double>(0, 1) = 0;
+						affine_mat.at<double>(0, 2) = m_shiftX;
+						affine_mat.at<double>(1, 0) = 0;
+						affine_mat.at<double>(1, 1) = m_scale;
+						affine_mat.at<double>(1, 2) = m_shiftY;
+						warpAffine(rawImg, showMat, affine_mat, rawImg.size(), cv::INTER_LINEAR, cv::BORDER_CONSTANT, cv::Scalar(255));
 						RHIUpdateTexture2D(
 							FrameData.Texture->GetRenderTargetResource()->GetRenderTargetTexture(),
 							0,
 							FUpdateTextureRegion2D(0, 0, 0, 0, FrameData.Width, FrameData.Height),
 							FrameData.Width * FrameData.PixelSize,
-							rawImg.data
+							showMat.data
 						);
 					}
 					else

SpaceStudioClient/Plugins/NeoKinectUnreal/Source/NeoKinectUnreal/Public/NeoKinectManager.h

@@ -546,6 +546,8 @@ public:
 	UFUNCTION(BlueprintPure, Category = "NeoKinect|Constants", meta = (Keywords = "length number size capability"))
 	static int32 GetJointCount();
 
+	UFUNCTION(BlueprintCallable, Category = "NeoKinect|Constants", meta = (Keywords = "body index scale and shift"))
+	static void SetScaleAndShift(float scale, int shiftX, int shiftY);
 	/*////////////////////////////////////////////////////////////////////////////
 
 							BLUEPRINT FUNCTIONS END
@@ -554,6 +556,9 @@ public:
 
 
 private:
+	static float m_scale;
+	static int m_shiftX;
+	static int m_shiftY;
 	/** NeoKinect API sensor */
 	static NeoKinect::KinectSensor* Kinect;
 	/** Does the sensor polling */